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*2009 NORTH AMERICAN BLIZZARD*
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*a blizzard is a ‘severe snowstorm’ characterized by ‘strong sustained winds’ of at least ’35 mph’ (/ ’56 km/h’) + lasting for a prolonged period of time…*
*typically ‘3 hours’ or more*
(a “ground blizzard” is a ‘weather condition’ where snow is not ‘falling’ but ‘loose snow’ on the ground is ‘lifted’ + ‘blown’ by ‘strong winds’)
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